a052df2de3282641945cf63fede34cb7dd6f1b4938120031e9571de64343475d

Analysis

max time kernel
144s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
06/12/2022, 12:08

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General

Target

a052df2de3282641945cf63fede34cb7dd6f1b4938120031e9571de64343475d.exe
Size

20KB
MD5

e2ea17527c580156c7ad89508abc7bda
SHA1

de0de19d00a4ac43ee6e15eb4f97225f083b923a
SHA256

a052df2de3282641945cf63fede34cb7dd6f1b4938120031e9571de64343475d
SHA512

8683bc7b74d4dd37478c34e583df539e591efda2605bf523aaf3120306ddfad591b595e2db4f87ec05f6c755a1b829de8247d8cb1bb5805b5bd4bb03d4d1dcac
SSDEEP

384:yB6xcHUwT9FIrTSt2xZU5Wdf1bmGHsBfP5Xwfs2Dj5ykqNovxFe1Axj:yB6xcHUwpIJx9HmzfP5Xwfs2BvtxFai

Score

10^/10

evasion

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	a052df2de3282641945cf63fede34cb7dd6f1b4938120031e9571de64343475d.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
3684	taskkill.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\shell\open\command	a052df2de3282641945cf63fede34cb7dd6f1b4938120031e9571de64343475d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\DefaultIcon	a052df2de3282641945cf63fede34cb7dd6f1b4938120031e9571de64343475d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\DefaultIcon\ = "shdoclc.dll,0"	a052df2de3282641945cf63fede34cb7dd6f1b4938120031e9571de64343475d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.IE\ = "IE"	a052df2de3282641945cf63fede34cb7dd6f1b4938120031e9571de64343475d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\ = "????"	a052df2de3282641945cf63fede34cb7dd6f1b4938120031e9571de64343475d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\NeverShowExt	a052df2de3282641945cf63fede34cb7dd6f1b4938120031e9571de64343475d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\shell\open	a052df2de3282641945cf63fede34cb7dd6f1b4938120031e9571de64343475d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\shell\open\command\ = "C:\\Program Files\\Internet Explorer\\IEXPLORE.EXE "	a052df2de3282641945cf63fede34cb7dd6f1b4938120031e9571de64343475d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.IE	a052df2de3282641945cf63fede34cb7dd6f1b4938120031e9571de64343475d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IE	a052df2de3282641945cf63fede34cb7dd6f1b4938120031e9571de64343475d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\shell	a052df2de3282641945cf63fede34cb7dd6f1b4938120031e9571de64343475d.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	3684	taskkill.exe
Token: SeRestorePrivilege	3212	a052df2de3282641945cf63fede34cb7dd6f1b4938120031e9571de64343475d.exe
Token: SeBackupPrivilege	3212	a052df2de3282641945cf63fede34cb7dd6f1b4938120031e9571de64343475d.exe
Token: SeRestorePrivilege	3212	a052df2de3282641945cf63fede34cb7dd6f1b4938120031e9571de64343475d.exe
Token: SeBackupPrivilege	3212	a052df2de3282641945cf63fede34cb7dd6f1b4938120031e9571de64343475d.exe
Token: SeDebugPrivilege	3212	a052df2de3282641945cf63fede34cb7dd6f1b4938120031e9571de64343475d.exe
Token: SeDebugPrivilege	3212	a052df2de3282641945cf63fede34cb7dd6f1b4938120031e9571de64343475d.exe
Token: SeDebugPrivilege	3212	a052df2de3282641945cf63fede34cb7dd6f1b4938120031e9571de64343475d.exe
Token: SeDebugPrivilege	3212	a052df2de3282641945cf63fede34cb7dd6f1b4938120031e9571de64343475d.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3212	a052df2de3282641945cf63fede34cb7dd6f1b4938120031e9571de64343475d.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3212 wrote to memory of 3684	3212	a052df2de3282641945cf63fede34cb7dd6f1b4938120031e9571de64343475d.exe	82
PID 3212 wrote to memory of 3684	3212	a052df2de3282641945cf63fede34cb7dd6f1b4938120031e9571de64343475d.exe	82
PID 3212 wrote to memory of 3684	3212	a052df2de3282641945cf63fede34cb7dd6f1b4938120031e9571de64343475d.exe	82

C:\Users\Admin\AppData\Local\Temp\a052df2de3282641945cf63fede34cb7dd6f1b4938120031e9571de64343475d.exe
"C:\Users\Admin\AppData\Local\Temp\a052df2de3282641945cf63fede34cb7dd6f1b4938120031e9571de64343475d.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3212
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im ZhuDongFangyu.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:3684

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3212-135-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3212-136-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads